<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="分类名称" prop="categoryName">
        <el-input
          v-model="queryParams.categoryName"
          placeholder="请输入分类名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="所属导航" prop="navigateId">
        <el-select v-model="queryParams.navigateId" placeholder="请选择所属导航" clearable size="small">
          <el-option
            v-for="item in goodsCategoryOptions"
            :key="item.navigateId"
            :label="item.navigateName"
            :value="item.navigateId"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:category:add']"
        >新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:category:edit']"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:category:remove']"
        >删除
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="categoryList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="序号" type="index" width="50" align="center">
        <template slot-scope="scope">
          <span>{{(queryParams.pageNum - 1) * queryParams.pageSize + scope.$index + 1}}</span>
        </template>
      </el-table-column>
      <el-table-column label="分类名称" align="center" prop="categoryName"/>
      <el-table-column label="所属导航" align="center" prop="navigateName"/>
      <el-table-column label="分类排序" align="center" prop="categorySort"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:category:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:category:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改商品分类对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="所属导航" prop="navigateId">
          <el-select v-model="form.navigateId" placeholder="请选择所属导航" clearable size="small">
            <el-option
              v-for="item in goodsCategoryOptions"
              :key="item.navigateId"
              :label="item.navigateName"
              :value="item.navigateId"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="分类名称" prop="categoryName">
          <el-input v-model="form.categoryName" placeholder="请输入分类名称"/>
        </el-form-item>
        <el-form-item label="分类排序" prop="categorySort">
          <el-input-number v-model="form.categorySort" placeholder="请输入分类排序"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import { queryGoodsListNavigate } from '@/api/app/navigate'
  import {
    listCategory1,
    getCategory,
    delCategory,
    addCategory,
    updateCategory,
    exportCategory
  } from '@/api/app/goodsCategory'

  export default {
    name: 'Category',
    components: {},
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 商品分类表格数据
        categoryList: [],
        // 弹出层标题
        title: '',
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          categoryName: null,
          categorySort: null,
          navigateId: null
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {
          categoryName: [
            { required: true, message: '分类名称不能为空', trigger: 'blur' }
          ],
          categorySort: [
            { required: true, message: '分类排序不能为空', trigger: 'blur' }
          ]
        },
        goodsCategoryOptions: []
      }
    },
    created() {
      this.getList()
      this.getGoodsListNavigate()
    },
    methods: {
      /** 查询商品分类列表 */
      getList() {
        this.loading = true
        listCategory1(this.queryParams).then(response => {
          this.categoryList = response.rows
          this.total = response.total
          this.loading = false
        })
      },
      getGoodsListNavigate() {
        let params = { navigateCodes: 'taobao,tianmao' }
        queryGoodsListNavigate(params).then(response => {
          this.goodsCategoryOptions = response.data
        })
      },
      // 取消按钮
      cancel() {
        this.open = false
        this.reset()
      },
      // 表单重置
      reset() {
        this.form = {
          goodsCategoryId: null,
          categoryName: null,
          categorySort: null,
          navigateId: null,
          createBy: null,
          createTime: null,
          updateBy: null,
          updateTime: null,
          remark: null,
          delFlag: null
        }
        this.resetForm('form')
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1
        this.getList()
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm('queryForm')
        this.queryParams.navigateId = null
        this.handleQuery()
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.goodsCategoryId)
        this.single = selection.length !== 1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset()
        this.open = true
        this.title = '添加商品分类'
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset()
        const goodsCategoryId = row.goodsCategoryId || this.ids
        getCategory(goodsCategoryId).then(response => {
          this.form = response.data
          this.open = true
          this.title = '修改商品分类'
        })
      },
      /** 提交按钮 */
      submitForm() {
        this.$refs['form'].validate(valid => {
          if (valid) {
            if (this.form.goodsCategoryId != null) {
              updateCategory(this.form).then(response => {
                this.msgSuccess('修改成功')
                this.open = false
                this.getList()
              })
            } else {
              addCategory(this.form).then(response => {
                this.msgSuccess('新增成功')
                this.open = false
                this.getList()
              })
            }
          }
        })
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const goodsCategoryIds = row.goodsCategoryId || this.ids
        this.$confirm('是否确认删除商品分类编号为"' + goodsCategoryIds + '"的数据项?', '警告', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(function() {
          return delCategory(goodsCategoryIds)
        }).then(() => {
          this.getList()
          this.msgSuccess('删除成功')
        })
      },
      /** 导出按钮操作 */
      handleExport() {
        const queryParams = this.queryParams
        this.$confirm('是否确认导出所有商品分类数据项?', '警告', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(function() {
          return exportCategory(queryParams)
        }).then(response => {
          this.download(response.msg)
        })
      }
    }
  }
</script>
